seps

erfa.seps(al, ap, bl, bp)[source]

Wrapper for ERFA function eraSeps.

Parameters

al : double array

ap : double array

bl : double array

bp : double array

Returns

c_retval : double array

Notes

The ERFA documentation is below.

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 e r a S e p s
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Angular separation between two sets of spherical coordinates.

Given:
   al     double       first longitude (radians)
   ap     double       first latitude (radians)
   bl     double       second longitude (radians)
   bp     double       second latitude (radians)

Returned (function value):
          double       angular separation (radians)

Called:
   eraS2c       spherical coordinates to unit vector
   eraSepp      angular separation between two p-vectors

Copyright (C) 2013-2019, NumFOCUS Foundation.
Derived, with permission, from the SOFA library.  See notes at end of file.